MRI Top Plate Wireless Transceiver Layout for Stable Image Data Links
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Solution Overview
Problem
Existing magnetic resonance imaging (MRI) systems face challenges in maintaining high-quality wireless communication due to the placement of wireless transceivers in the imaging space, which are affected by static and radio frequency fields, leading to deteriorated image quality.
Innovation Solution
The MRI apparatus employs a top plate with slidable wireless transceivers at multiple positions, allowing a controller to select the optimal transceiver for communication, reducing user intervention and interference, and ensuring high-quality wireless communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If wireless transceiver is provided only at one end part of the top plate, then device complexity is reduced, but wireless communication quality deteriorates due to location in imaging space affected by magnetic fields
Solution Approach 1:
The system divides the wireless transceiver function into multiple segments by providing a plurality of first wireless transceivers at different positions on the top plate. Each transceiver serves a specific imaging region, allowing the system to avoid placing transceivers in the imaging space while maintaining wireless communication capability across the entire imaging area.
Solution Approach 2:
The patent transitions from a single-point transceiver location to a distributed multi-point arrangement across the top plate surface. By expanding the spatial distribution of transceivers in multiple dimensions, the system achieves reliable wireless communication without placing transceivers in the imaging space, thus avoiding magnetic field interference.
2Reliability
If multiple wireless transceivers are provided at different positions on the top plate, then wireless communication quality is improved, but device complexity increases
Solution Approach 1:
Multiple first wireless transceivers are designed with identical functions and structures, each capable of performing wireless communication independently. This universality allows the system to maintain consistent performance across different positions while simplifying design and maintenance, as each transceiver unit is interchangeable and follows the same specification.
Solution Approach 2:
The patent uses identical copies of the wireless transceiver unit at different positions on the top plate. Each first wireless transceiver is a replica of the others, ensuring consistent performance characteristics. This copying approach simplifies manufacturing, testing, and replacement, as all transceiver units follow the same design blueprint.
3Productivity
If analog/digital conversion is performed near the RF coil, then signal processing efficiency is improved, but communication reliability deteriorates due to interference from magnetic fields and radio frequency irradiation
Solution Approach 1:
The patent extracts the wireless transceiver function from the imaging space and places it on the top plate, separating it from the region affected by strong magnetic fields and radio frequency irradiation. This extraction allows analog/digital conversion to occur in a location with minimal interference, maintaining both processing efficiency and communication reliability.
Solution Approach 2:
The top plate serves as an intermediary platform that hosts the wireless transceiver units, acting as a buffer zone between the RF coil and the final communication interface. This intermediary location provides a compromise position that allows for efficient signal processing while being sufficiently distant from the imaging space to avoid magnetic field and radio frequency interference.
Data Source
AI summary
An object of the present invention is to provide a magnetic resonance imaging apparatus capable of acquiring a magnetic resonance image through high-quality wireless communication. A magnetic resonance imaging apparatus according to one aspect of the present invention includes: a top plate on which a subject is placed, the top plate being slidable in a longitudinal direction; a plurality of first wireless transceivers connected to a receive coil for capturing a magnetic resonance image of the subject, the plurality of first wireless transceivers being provided at a plurality of positions of the top plate in the longitudinal direction and moving in the longitudinal direction as the top plate slides; a second wireless transceiver; and a controller that selects at least one of the plurality of first wireless transceivers and performs wireless communication using the selected first wireless transceiver and the second wireless transceiver.